premultiply the colours by the alpha value

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20192 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2003-04-13 14:02:17 +00:00
parent e34dcad290
commit 13c13ecbbf
2 changed files with 28 additions and 1 deletions
--- a/include/wx/msw/bitmap.h
+++ b/include/wx/msw/bitmap.h
@@ -133,7 +133,7 @@ public:

    // raw bitmap access support functions
    bool GetRawData(wxRawBitmapData *data);
-    void UngetRawData(wxRawBitmapData *) { /* nothing to do here */ }
+    void UngetRawData(wxRawBitmapData *);

 #if wxUSE_PALETTE
    wxPalette* GetPalette() const;